Algebraic Equations

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# Algebraic Equations - PowerPoint PPT Presentation

SOLVING EQUATIONS. Algebraic Equations. Powerpoint hosted on www.worldofteaching.com Please visit for 100’s more free powerpoints. Algebraic Equations Multiplication with Subtraction. 2x – 4 = 8. +4. +4. 2x. =. 12. 2. 2. x. =. 6. Algebraic Equations Multiplication with Addition.

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## PowerPoint Slideshow about 'Algebraic Equations' - bertha-mcneil

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SOLVING EQUATIONS

Algebraic Equations

Powerpoint hosted on www.worldofteaching.com

Please visit for 100’s more free powerpoints

Algebraic Equations

Multiplication with Subtraction

2x – 4 = 8

+4

+4

2x

=

12

2

2

x

=

6

Algebraic Equations

5x + 10 = 80

-10

-10

5x

=

70

5

5

x

=

14

Algebraic Equations

Multiplication with Subtraction

-3x – 4 = -82

+4

+4

-3x

=

-78

-3

-3

x

=

26

3

2

2

3

3

2

Algebraic Equations

2/3x + 2 = 8

-2

-2

x

=

6

(HINT)

Reciprocal

x

=

18/2 = 9

x

5

(5)

(5)

Algebraic Equations

x/5 + 2 = 8

-2

-2

=

6

x

=

30

(

)

Algebraic Equations

4x +6x + 20 = 80

10x + 20 = 80

-20

-20

=

10x

60

10

10

x = 6

(

(

)

)

Algebraic Equations

C.L.T.

3x + 2x + 20 - 8 = 92

5x + 12 = 92

-12

-12

=

5x

80

5

5

x = 16

Algebraic Equations

C.L.T.

6x + 15 = 125 + 4x

( )

( )

6x – 4x + 12 = 122 + 4x – 4x

=

2x + 12

122

-12

-12

2x = 110

X = 55

2

2

7x - 12

-5x + 48

=

=

=

48

48

7x + 5x - 12

12x - 12

Algebraic Equations

Distributive Property

2(5x – 6) – 3x = 4(x + 12) – 9x

10x– 12 - 3x = 4x + 48 – 9x

( )

( )

10x – 3x -12 = 4x – 9x + 48

( )

Algebraic Equations

=

=

=

48

48

60

7x + 5x - 12

12x - 12

12x

+12

+12

12

12

X = 5

Work Time
• IC 95/1-15
• HW95/16-28,32-39